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ThreatPhishing & impersonation

Calendar invite phishing — .ics from freemail with phishing language

calendar-invite-phishing

What this tier means

High-confidence threat indicator — phishing, impersonation, BEC, or scam pattern. Strong contributor to the trash decision.

How Gorganizer detects this

Email contains a calendar invite (.ics/.ical attachment) from a free webmail or suspicious-TLD sender, AND the body contains phishing language ("verify your", "confirm your attendance", "click here to accept", "your calendar has been updated", "accept this invitation") paired with URL shorteners or suspicious TLDs. Calendar invite phishing auto-adds malicious events to victims' calendars with phishing links. The .ics attachment protection in isSafeToDelete still prevents deletion — the email routes to REVIEW so the user is warned but the sacred rule is preserved.

False-positive guard

Every signal in Gorganizer feeds a multi-module score — never a sole verdict. This is a threat-tier signal — it adds a strong contribution to the trash score. The full pipeline still requires convergence across multiple modules + a margin over the safety floor before deletion happens, and Gmail's trash (30-day recovery) is always used — never permanent delete.

About the scoring engine

Gorganizer's scoring engine emits over 1,800 signals across six modules — headers, sender, subject, body, attachments, and structural metadata. Every email is scored by every module independently; the final verdict requires multiple modules to agree and the trash score to beat the safety floor by a margin.

Sacred safety guards — never delete starred emails, replies, calendar invites, receipts/invoices, or attachments — apply unconditionally regardless of any signal.

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